Dinan Carbon Fibre Cold Air Intake Kit for BMW 230i 330i 430i (F22 F23 F30 F31 F34 F32 F33 F36) B46/B48 2.0 Turbo

Transform throttle response and sound with Dinan carbon fibre induction for BMW 230i, 330i and 430i

Give your F2x and F3x 2.0-litre turbo petrol the airflow it deserves. This Dinan carbon fibre induction system replaces the restrictive factory airbox and ducting with a beautifully engineered, sealed carbon assembly that feeds your B46 and B48 engine with cooler, denser air. Independent testing on a stock vehicle shows gains of +6 hp and +6 lb ft at 5,000 rpm, along with crisper pedal response and quicker turbo spool for a more engaging drive every day.

The details matter. The OE intake uses internal baffling and a small Helmholtz chamber that add turbulence and mute the soundtrack. Dinan’s design swaps this for a straight, high-flow carbon tube and enlarged sealed airbox, unlocking a clean airflow path and a genuine turbo induction note without unwanted cabin boom. It looks as premium as it performs, with full carbon construction and an enduring finish that elevates your engine bay.

Key performance advantages

• Real-world gains you can feel: +6 hp and +6 lb ft at 5,000 rpm on a standard car
• Sharper throttle response and faster turbo spool for stronger mid-range
• Deeper induction sound under load with refined cruising manners
• Sealed airbox draws cool outside air for consistent performance
• Airbox volume increased by 30 percent vs OEM for reduced restriction
• 34 percent larger filter surface area for improved flow (76.3 in² stock vs 102.1 in² Dinan)
• Straight, optimised carbon intake tube removes internal disruptions
• Injection-moulded MAF housing more than 20 percent larger than factory
• Premium full carbon fibre construction that looks OE plus under the bonnet
• Simple installation with factory-style fitment

What is included

• Full carbon sealed airbox
• High-flow performance air filter
• Carbon fibre intake tube
• Injection-moulded MAF housing
• All required hardware for a direct bolt-on upgrade

Compatibility

For BMW models with the B46 or B48 2.0 turbo petrol engine:

• 2 Series F22 and F23 230i, including xDrive
• 3 Series F30, F31 Touring, F34 Gran Turismo 330i, including xDrive
• 4 Series F32, F33, F36 Gran Coupe 430i, including xDrive

Why buy from MJ Modifications

We run this induction upgrade on our own builds and many customer cars. The feedback is consistently excellent on quality, fitment, sound and drivability gains. If you want a premium, OE-plus solution that delivers measurable performance and a stunning carbon finish, this Dinan system is a standout choice for any B46 or B48 powered BMW.

Professional fitting available

Prefer expert installation in the UK Our team at MJ Modifications in Warwickshire can fit this system for you. Request a fitting quote at info@mjmodifications.co.uk.

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Order today to elevate power delivery, sound and under-bonnet style with Dinan’s carbon fibre induction upgrade.